[Latest upgrade]: We have improved three details base on customer feedback:1. The zipper: We now only use YKK zipper ensure its quality and reliability. 2.The lining:now made of soft cloth lining instead of polyester fiber previous to increase users experience.3.We have change the elastic band to be more high density with excellent elasticity and thickness make sure secure to carry your luggage. | [High quality material]: The briefcase made of 100% top grain leather and hand crafted ensue its good shape.Dimensions:17.5"L x 5.5" W x 12"H | Net weight：about 3.3lb | [Large storage]: Front 3 zipper pockets easily carry small items.Main compartment can fit up to 17.3" laptop.Padded compartment with sleeve fit 15.6' laptop.Big size can organize your belongs very well. | [More carrying options]: Includes adjustable and detachable shoulder strap and handle for flexible usage as a laptop bag, messenger bag,shoulder bag or briefcase.Also with a belt backside attach to travel luggage,free your hands,very convenient. | [1 year warranty]: YOGCI Professional after-sales service to solve your worries: If your briefcase messenger bag has any quality problems, including damage during use,you can contact us at any time and we will try our best to help you solve your problem !